#include <stdio.h>
#include<string.h>
int main()
{
	printf("Hello World");
	return 0;
}
int main()
{
	printf("%c\n", '\130'); \
	printf("\a");
	return 0;
}
int main()
{
	printf("%c\n", '\x36');
	return 0;
}
int main()
{
	printf("%zd\n", strlen("abcdef"));
	return 0;
}
int main()
{
	printf("abcdef\n");
	return 0;
}
int main()
{
	char arr[] = { 'b','i','t'};
	printf("%zd\n", strlen(arr));
	return 0;
int main()
{
	printf("%d\n", strlen("c:\test\121"));
	return 0;
}